Split4G creates etc. files (or .0, .1, .2 extensions) that PS3 backup managers automatically recognize and reassemble on the fly . That is the exclusive magic: you copy the split files to the USB, plug it into the PS3, and the game loads as if the original file were intact.
Split4G is a free, open-source utility designed to split large files into smaller pieces, making it easier to transfer or store them on devices with limited capacity. The tool supports various file systems, including FAT32, which has a 4GB file size limit. split4g pc tool to split large 4gb ps3 fil exclusive